This set contains puzzles which are similar to puzzles of the "Exit Exists" competition which is held at the 30th of March 2025. Choose the puzzle in the list and you will see the puzzle grid at the right. Press "Start" button to see clues and start solving. Most of the puzzles in this set are harder than the corresponding puzzles in the competition and so don't worry if you can't solve some of them. However, if you succeed in solving this puzzle set, then you can win the competition easily. In this case visit our archive where you can find puzzles for the champions.
Draw few rectangular loops through the centers of unshaded cell so that every unshaded cell is used. The sides of different rectangles may intersect each other, but not turn at their intersections or otherwise overlap.
Grid control:
To draw a line press the mouse button at a start cell and move mouse to another cell holding the button.
More details about grid control are at the help page.